3 responses to “Who Is This?”

  1. Mendeleev’s 1871 periodic table… “I saw in a dream a table where all elements fell into place as required. Awakening, I immediately wrote it down on a piece of paper, only in one place did a correction later seem necessary.”

    — Mendeleev, 

    Beautiful portrait photograph. In high school, one year I hadn’t been succes in Chemistry and that Summer I studied Chemistry, How couldn’t remember his name, dear Sergei! Thank you, Love, nia

    Liked by 1 person

    1. Very nice, Thank You Nia. :-)

      Liked by 1 person

  2. Wow! So amazing, Sergei. 👍🏻

    Liked by 2 people

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